#app-wrapper{
    width: 100%;
    margin: 0 auto;
    background: #e4e4e4;
    font-size: .1rem;
    .app-bg{
        max-width: 6.4rem;
        margin: 0 auto;
        position: relative;
        img{
            display: block;
            width: 100%;
        }
        a{
            width: 3.21rem;
            position:absolute;
            left: 50%;
            margin-left: -1.605rem;
            img{
                display: block;
                width:100%;
            }
        }
        .ios{
            opacity: .8;
            top: 50%;
        }
        .android{
            top: 60%;
        }
    }
}
